[A few problems on the question of accident frequency in physical education].
D000059:Accidents; D000293:Adolescent; D000328:Adult; D002648:Child; D003604:Czechoslovakia; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010806:Physical Education and Training; D013177:Sports; D014947:Wounds and Injuries / Q000453:epidemiology*
Nĕkolik problémů k otázce úrazovosti v tĕlesné výchovĕ.